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Product Detailed Parameters
- Description：CMC 3.3MH 10A 2LN TH
- Series：B82725
- Mfr：EPCOS - TDK Electronics
- Package：Tray
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：10A
- DC Resistance (DCR) (Max)：13.5mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.591" L x 0.846" W (40.40mm x 21.50mm)
- Height (Max)：1.457" (37.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：3.3 mH @ 10 kHz
- Impedance @ Frequency：-
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Overview
The B82725S2103N004 is a current-compensated ring core double choke manufactured by TDK Electronics. It features a ferrite core and rectangular construction designed for through-hole PCB mounting. The component has a rated voltage of 250 V AC (50/60 Hz) and withstands 1500 V AC or 2100 V DC for 2 seconds between lines. It supports a rated current of 10 A with an inductance of 3.3 mH per line. The device operates within a temperature range of -40 °C to +125 °C, with specific rated temperatures of +60 °C or +70 °C depending on the configuration.
Feature Summary
- High resonance frequency for effective interference suppression
- Approximately 0.5% stray inductance ensuring symmetrical performance
- Suitable for wave soldering processes
Applications
- Power line common mode filtering
- Symmetrical interference suppression in electronic circuits
- General purpose inductor applications requiring high current handling
Procurement Notes
Verify the exact suffix against official TDK documentation to confirm electrical ratings and mechanical dimensions. Ensure the selected variant matches the required rated temperature and voltage specifications for the target application environment. Cross-reference datasheets for lead length and package height constraints during PCB layout planning.
Selection Notes
Select this component when symmetrical common mode noise reduction is critical due to its low stray inductance design. Consider the 10 A current rating and 3.3 mH inductance values for power line filtering requirements. Verify thermal management needs based on the rated temperature limits and ambient operating conditions.
Part Context
This part belongs to the B82725 series of current-compensated ring core double chokes from EPCOS (TDK). These components are engineered for robust electromagnetic interference suppression in power supply lines. The series utilizes ferrite cores to achieve high inductance values while maintaining compact rectangular footprints suitable for various industrial and consumer electronics assemblies.
Replacement Considerations
Consult official TDK substitution guides for verified equivalents. Generic cross-references may not match the specific 0.5% stray inductance or wave soldering compatibility.
